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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Loss Carryforwards [Line Items]
Deferred tax liabilities	$ 2,438
Domestic
Operating Loss Carryforwards [Line Items]
Taxable loss	(5,300)	$ (40,400)
Operating loss carryforwards	861,000
Deferred tax assets, capital loss carryforwards	212,500
Research and development tax credits	11,300
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	74,200
Generated After 2017
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 609,000

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